Vulnerability Monitor

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CVE-2024-55563

Bitcoin Core through 27.2 allows transaction-relay jamming via an off-chain protocol attack, a related issue to CVE-2024-52913. For example, the outcome of an HTLC (Hashed Timelock Contract) can be changed because a flood of transaction traffic prevents propagation of certain Lightning channel transactions.

Published

2024-12-09T01:15:06.313

Last Modified

2025-05-22T16:56:06.537

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-770

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	bitcoin	bitcoin_core	≤ 27.2	Yes

References

https://ariard.github.io Third Party Advisory ([email protected])
https://bitcoincore.org Product ([email protected])
https://delvingbitcoin.org/t/full-disclosure-transaction-relay-throughput-overflow-attacks-against-off-chain-protocols/1305 Issue Tracking ([email protected])
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures Third Party Advisory ([email protected])
https://gnusha.org/pi/bitcoindev/CALZpt+EptER=p+P7VN3QAb9n=dODA9_LnR9xZwWpRsdAwedv=w@mail.gmail.com/T/#u Mailing List ([email protected])